• 7 Music Library (Mills)

• 46 Sound Recordings
• 1 Videos, Slides, Films

• 7 Compact Discs
• 1 DVDs

• 38 String quartets
• 7 Quintets (Clarinet, violins (2), viola, cello)
• 5 Piano quintets
• 3 String quartets, Arranged
• 2 Canons, fugues, etc. (String quartet)
• 2 Quintets (Piano, violin, viola, cello, double bass)
• 2 Sonatas (Violin and piano)
• 1 Chamber music
• 1 Clarinet and piano music
• 1 Instrumental music
• 1 Music for meditation
• 1 Operas
• 1 Orchestral music
• 1 Piano music
• 1 Piano music (Pianos (2)), Arranged
• 1 Piano quartets
• 1 Piano trios
• 1 Quintets (Oboe, violin, violas (2), cello), Arranged
• 1 Sonatas (Cello)
• 1 Sonatas (Clarinet and piano)
• 1 String ensembles
• 1 String orchestra music
• 1 String quintets (Violins (2), viola, cellos (2))
• 1 String quintets (Violins (2), violas (2), cello)
• 1 Suites (String orchestra)

• 47 Hagen-Quartett
• 11 Beethoven, Ludwig van, 1770-1827
• 11 Mozart, Wolfgang Amadeus, 1756-1791
• 7 Schubert, Franz, 1797-1828
• 7 Schumann, Robert, 1810-1856
• 5 Brahms, Johannes, 1833-1897
• 4 Gulda, Paul
• 3 Haydn, Joseph, 1732-1809
• 3 LaSalle Quartet
• 3 Meyer, Sabine, 1959-
• 3 Shostakovich, Dmitriĭ Dmitrievich, 1906-1975
• 3 Weber, Carl Maria von, 1786-1826
• 2 Amadeus String Quartet
• 2 Brunner, Eduard
• 2 Christ, Wolfram
• 2 Dvořák, Antonín, 1841-1904
• 2 Kin Lop Tse Collection
• 2 Kodály, Zoltán, 1882-1967
• 2 Kremer, Gidon, 1947-
• 2 Leister, Karl
• 2 Posch, Alois
• 2 Webern, Anton, 1883-1945
• 2 Widmann, Jörg
• 1 Academy of St. Martin-in-the-Fields
• 1 Afanassiev, Valéry, 1947-

• 44 No linguistic content
• 2 Unknown
• 1 English

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